Key result
Bariatric surgery was associated with a significantly lower risk of venous thromboembolic events compared to matched controls (HR 0.601; 95% CI 0.430-0.841; P=0.003).
Why the study?
Obesity is an established risk factor for VTEs, but the effect of bariatric surgery on the long-term risk of VTEs in patients with obesity required evaluation.
Does bariatric surgery reduce the long-term risk of VTEs in patients with obesity?
Cohort (n=8,112)
Yes
Does bariatric surgery reduce the long-term risk of VTEs in patients with obesity?
Hazard Ratio: 0.601 (95% CI 0.43–0.841)
p-value: p=0.003
Bariatric surgery is associated with a significant long-term reduction in venous thromboembolic events, particularly deep vein thrombosis, in patients with obesity.
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May support VTE risk discussions in obese patients; leaves open causal confirmation via randomized trials.
A 2019 study conducted a cohort in Obesity (n=8,112). Bariatric surgery vs. Age, sex, and body mass index matched controls was evaluated on Occurrence of VTEs (HR 0.601, 95% CI 0.430-0.841, p=0.003). Bariatric surgery was associated with a significantly lower risk of venous thromboembolic events compared to matched controls (HR 0.601; 95% CI 0.430-0.841; P=0.003).
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